Sources and original illustrations

Primary references and the limits of this educational collection.

Primary references

• UNESCO: Historic Centre of Brugge — Historic urban continuity, commercial and cultural institutions, and the retained pattern of plots, streets and lanes; no individual building dates or access claims.
• UNESCO: Plantin-Moretus House-Workshops-Museum Complex — The Antwerp complex as a printing and publishing house with equipment, library and archives; the observation framework is original.
• UNESCO: Flemish Béguinages — The thirteen-site property, the Beguine community context, ensemble elements and retained residential character; no present access guarantee.
• UNESCO: City of Luxembourg, its Old Quarters and Fortifications — Successive fortification phases and survival after partial dismantling; the sketching method and illustrative planning are original.
• UNESCO: Roman Monuments, Cathedral of St Peter and Church of Our Lady in Trier — The ensemble identity and Trier’s Roman importance; no unsupported date is assigned to individual visible fabric.
• UNESCO: Town of Bamberg — The historical agriculture–urban distribution relationship and preserved three-area medieval layout; no working-garden access or supply route is claimed.
• UNESCO: Collegiate Church, Castle and Old Town of Quedlinburg — The ensemble and the presence of medieval and post-medieval timber-framed houses; the descriptive exercise supplies no inferred building dates.
• UNESCO: Old town of Regensburg with Stadtamhof — The trading-city ensemble, its river-spanning components and medieval Stone Bridge; no traffic rule or current access detail is asserted.
• UNESCO: City of Graz – Historic Centre and Schloss Eggenberg — The combined property and its architectural/cultural exchanges across periods; no common ticket, schedule or access is implied.
• UNESCO: Historic Centre of the City of Salzburg — The historic fabric’s development across periods and Gothic/Baroque contributions; no specific viewpoint route or access claim.
• UNESCO: Historic Centre of Český Krumlov — The river meander, castle-hill setting and multi-period castle as elements of urban composition; no walking route or access assertion.
• UNESCO: Historic Centre of Telč — The triangular square, continuous arcade, varied facades and layered house origins; no exact dimensions or individual-house dates.
• UNESCO: Old City of Zamość — The planned Renaissance town, Morando association and retained layout/fortifications; no mathematical proportion or individual design intention is inferred.
• UNESCO: Medieval Town of Toruń — Medieval buildings in both Old and New Town and the Teutonic/Hanseatic context; no individual ownership or comprehensive chronology is invented.
• UNESCO: Ferrara, City of the Renaissance, and its Po Delta — The Renaissance planning context and combined city/Po Delta designation; no route, travel duration or component access promise.
• UNESCO: Historic Centre of Urbino — The hill-town setting, fifteenth-century cultural flourishing and retained Renaissance appearance; no individual building chronology or route suitability is inferred.
• UNESCO: City of Vicenza and the Palladian Villas of the Veneto — The city-and-villas property, Palladio’s classical study and architectural influence; specific program evidence is to be read from the identified building’s interpretation.
• UNESCO: Arles, Roman and Romanesque Monuments — The property’s explicit ancient Roman/medieval Romanesque distinction and Saint-Trophime identification; no operational venue or access claims.
• UNESCO: Historic Centre of Avignon, Papal Palace, Episcopal Ensemble and Avignon Bridge — The named elements, fourteenth-century papal context and surviving bridge remains over the Rhône; no detailed route or admission assertion.
• UNESCO: Archaeological Ensemble of Tarraco — Roman administrative/mercantile context, fragmentary remains and preservation beneath later buildings; no component opening or reconstructed detail is invented.

Original visual material

The diagrams in this edition are original SVG illustrations explaining the sequence or decisions in each guide. They do not show a laboratory experiment, a personal trip or a tested product result. No photographs from the linked sources are reproduced.

Check the source in context

References were consulted during preparation of this edition. A source may cover a broader or narrower question than a particular guide; the support notes above explain why it is listed. Read the original for methodology, exceptions and updates.